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15 Cards in this Set
- Front
- Back
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Anatomy describes...
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the structures of the body:
Made of location associated structure |
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Physiology describes...
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the functions of the structures.
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Structure determines...
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function
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cytology is the study of?
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Cells and their structures
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Histology is the study of?
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tissues and their structures
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What are the two kinds of cells in the body?
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Sex/Germ cell- reproduction
Somatic cells- everything else |
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Cell membrane functions (4)
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-Isolation (intracellular fluid-cytosol and extracellular fluid)
-Regulation -Sensitivity -Support |
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Structure of the Cell membrane contains? (3)
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Lipid, Carbohydrates, and functional proteins
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Membrane protein functions (6)
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anchoring, recognition, enzymes, receptors, carrier proteins (passive & active), channels (very selective, always passive)
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What is the cytoplasm?
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all materials inside the cell and outside the nucleus:
-cytosol(intracellular fluid) nutrients, ions, proteins, and waste products -organelles structures with specific functions |
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What makes an organelle nonmembranous?
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no membrane, direct contact with cytosol
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Nonmembranous organelle... What is the cytoskeleton?
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structural proteins for shape and strength (keratin), anchor other organelle, cell contraction (actin and myosin)
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Nonmembranous organelle...
What is the microvilli? |
outfoldings of plasma membrane, increase surface area for absorption, attach to cytoskeleton
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Nonmembranous organelle...
What is the cilia? |
cilia move fluids across the cell surface, the core of the cilium is made of microtubules (cytoskeleton)
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Nonmembranous organelle..
What do ribosomes do? what are the two kinds |
Build protein, two types: free ribosomes in cytoplasm (cell), fixed ribosomes attached to ER (secretion)
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